should be on a sticker on the underside of the hood or somewhere around the engine bay, if there is none, you can tell because if its not a big block (460) its probably a 351M
hinge hood merqury gran marquis 1978
Try your local scrapyard or look on eBay
Around 120 mph tops.
1978 80 Mercury Outboard IDLE ADJUSTMENT
An engine of that era would run better on leaded gas.
Jason Marquis was born on August 21, 1978.
Jason Marquis was born on August 21, 1978.
Jason Marquis is 38 years old (birthdate: August 21, 1978).
I was looking at my Chilton's Auto Repair Manual and for a 1978 Mercury Cougar it only shows a two barrel carburetor for the 351 Windsor V8 engine
The 1978 model, 115 hp Mercury outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
Jason Marquis was born August 21, 1978, in Manhasset, NY, USA.
The 5th character in the VIN # is a letter designating the engine size. If its an A its a 460-4V. C designates a 460-4V Police Interceptor. H is a 351 -2V & S denotes a 400-2V. Visually the 460s have valve covers which are flat and level with the fenders while 351s & 400s have valve covers that slope downwards slightly from the center of the engine.